Temperature
Pleasant by day, mild at night.
77°Ftypical Aug high
Toronto is most comfortable in early autumn. Summers are warm and winters are cold. Rain is spread through the year. Humidity is usually low.

Pleasant by day, mild at night.
Moderate rain risk across the month.
Very sunny skies.
Warm days, with brief hot afternoons and occasional humid spells.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Toronto with Chicago.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology